inkvizitor68sl@malygos:/tmp$ zip -r file.zip zip/
adding: zip/ (stored 0%)
adding: zip/eee (stored 0%)
adding: zip/Eee (stored 0%)
adding: zip/eEE (stored 0%)
adding: zip/eeE (stored 0%)
adding: zip/EEE (stored 0%)
adding: zip/eEe (stored 0%)
adding: zip/EEe (stored 0%)